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Top500 List - June 2007

R_max and R_peak values are in TFlops. For more details about other fields, check the TOP500 description.

Rank	Site	System	Cores	Rmax (TFlop/s)	Rpeak (TFlop/s)	Power (kW)
1	DOE/NNSA/LLNL United States	BlueGene/L - eServer Blue Gene Solution IBM	131072	280.6	367.0	1433
2	DOE/SC/Oak Ridge National Laboratory United States	Jaguar - Cray XT4/XT3 Cray Inc.	23016	101.7	119.3
3	NNSA/Sandia National Laboratories United States	Red Storm - Sandia/ Cray Red Storm, Opteron 2.4 GHz dual core Cray Inc.	26544	101.4	127.4
4	IBM Thomas J. Watson Research Center United States	BGW - eServer Blue Gene Solution IBM	40960	91.3	114.7	448
5	Stony Brook/BNL, New York Center for Computational Sciences United States	New York Blue - eServer Blue Gene Solution IBM	36864	82.2	103.2	403
6	DOE/NNSA/LLNL United States	ASC Purple - eServer pSeries p5 575 1.9 GHz IBM	12208	75.8	92.8	1992
7	Rensselaer Polytechnic Institute, Computational Center for Nanotechnology Innovations United States	eServer Blue Gene Solution IBM	32768	73.0	91.8	358
8	NCSA United States	Abe - PowerEdge 1955, 2.33 GHz, Infiniband, Windows Server 2008/Red Hat Enterprise Linux 4 Dell	9600	62.7	89.6
9	Barcelona Supercomputing Center Spain	MareNostrum - BladeCenter JS21 Cluster, PPC 970, 2.3 GHz, Myrinet IBM	10240	62.6	94.2
10	Leibniz Rechenzentrum Germany	HLRB-II - Altix 4700 1.6 GHz SGI	9728	56.5	62.3	990
11	NNSA/Sandia National Laboratories United States	Thunderbird - PowerEdge 1850, 3.6 GHz, Infiniband Dell	9024	53.0	65.0
12	Commissariat a l'Energie Atomique (CEA) France	Tera-10 - NovaScale 5160, Itanium2 1.6 GHz, Quadrics Bull SA	9968	52.8	63.8
13	NASA/Ames Research Center/NAS United States	Columbia - SGI Altix 1.5 GHz, Voltaire Infiniband SGI	10160	51.9	61.0
14	GSIC Center, Tokyo Institute of Technology Japan	TSUBAME Grid Cluster - Sun Fire x4600 Cluster, Opteron 2.4/2.6 GHz and ClearSpeed Accelerator, Infiniband NEC/Sun	11088	48.9	78.8
15	Texas Advanced Computing Center/Univ. of Texas United States	Lonestar - PowerEdge 1955, 2.66 GHz, Infiniband Dell	5848	46.7	62.2
16	Maui High-Performance Computing Center (MHPCC) United States	Jaws - PowerEdge 1955, 3.0 GHz, Infiniband Dell	5200	42.4	62.4
17	US Army Research Laboratory (ARL) United States	Michael J. Muuss Cluster (MJM) - Evolocity II (LS Supersystem) Xeon 51xx 3.0 GHz IB Linux Networx	4416	40.6	53.0
18	Forschungszentrum Juelich (FZJ) Germany	JUBL - eServer Blue Gene Solution IBM	16384	37.3	45.9	179
19	Lawrence Livermore National Laboratory United States	Atlas - Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband Appro International	9216	36.6	44.2
20	Japan Agency for Marine -Earth Science and Technology Japan	Earth-Simulator NEC	5120	35.9	41.0	3200
21	ERDC DSRC United States	Sapphire - Cray XT3, 2.6 GHz dual Core Cray Inc.	8192	35.2	42.6
22	Commissariat a l'Energie Atomique (CEA) France	CEA-CCRT-Platine - Novascale 3045, Itanium2 1.6 GHz, Infiniband Bull SA	6144	35.1	39.3
23	Louisiana Optical Network Initiative United States	Queen Bee - PowerEdge 1950, 2.33 GHz, Infiniband Dell	5440	34.8	50.8
24	Atomic Weapons Establishment United Kingdom	Cray XT3, 2.6 GHz dual Core Cray Inc.	7812	32.5	40.6
25	University of North Carolina United States	Topsail - PowerEdge 1955, 2.33 GHz, Cisco/Topspin Infiniband Dell	4160	28.8	38.8
26	ASTRON/University Groningen Netherlands	Stella - eServer Blue Gene Solution IBM	12288	27.4	34.4	134
27	Air Force Research Laboratory - ARFL DSRC United States	Altix 4700 1.6 GHz SGI	4096	23.8	26.2
28	Air Force Research Laboratory - ARFL DSRC United States	Altix 4700 1.6 GHz SGI	4096	23.8	26.2
29	Caltech United States	CITerra - PowerEdge 1950, 2.33 GHz, Myrinet Dell	4096	22.6	37.7
30	Indiana University United States	Big Red - BladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet IBM	3072	21.8	30.7
31	IBM - Rochester United States	Blue Gene/P Solution IBM	8192	20.9	27.9	63
32	IBM Advanced Client Technology Center United States	eServer pSeries p5 575 1.9 GHz IBM	3072	20.1	23.3	501
33	Naval Oceanographic Office - NAVO DSRC United States	eServer pSeries p5 575 1.9 GHz IBM	3072	20.1	23.3	501
34	Lawrence Livermore National Laboratory United States	Thunder - Intel Itanium2 Tiger4 1.4GHz - Quadrics California Digital Corporation	4096	19.9	22.9
35	National Center for High Performance Computing Taiwan	xSeries x3550 Cluster Xeon, 3 GHz, Infiniband IBM	2072	19.9	24.9	192
36	University of Reading United Kingdom	BladeCenter JS21 Cluster, PPC 970, 2.3 GHz, Myrinet IBM	3040	19.0	28.0
37	Computational Biology Research Center, AIST Japan	Blue Protein - eServer Blue Gene Solution IBM	8192	18.7	22.9	89
38	Ecole Polytechnique Federale de Lausanne Switzerland	eServer Blue Gene Solution IBM	8192	18.7	22.9	89
39	EDF R&D France	Frontier - eServer Blue Gene Solution IBM	8192	18.7	22.9	89
40	High Energy Accelerator Research Organization /KEK Japan	KEK/BG Sakura - eServer Blue Gene Solution IBM	8192	18.7	22.9	89
41	High Energy Accelerator Research Organization /KEK Japan	KEK/BG MOMO - eServer Blue Gene Solution IBM	8192	18.7	22.9	89
42	IBM Rochester, On Demand Deep Computing Center United States	eServer Blue Gene Solution IBM	8192	18.7	22.9	89
43	Sinopec ShengLI Oilfield Branch Company, Geophysical Research Institute China	BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet IBM	4096	18.6	38.2	329
44	Cambridge University United Kingdom	Darwin - PowerEdge 1950, 3.0 GHz, Infinipath ClusterVision/Dell	2340	18.3	28.1
45	University of Minnesota United States	Calhoun - SGI Altix XE 1300 Cluster Solutions, 2.66GHZ, Infiniband SGI	2048	17.3	21.8
46	Pittsburgh Supercomputing Center United States	BigBen - Cray XT3, 2.6 GHz dual Core Cray Inc.	4136	17.0	21.5
47	NCSA United States	T3 - PowerEdge 1955, 2.66 GHz, Infiniband Dell	2048	16.7	21.3
48	ECMWF United Kingdom	eServer pSeries p5 575 1.9 GHz IBM	2480	16.2	18.8	404
49	ECMWF United Kingdom	eServer pSeries p5 575 1.9 GHz IBM	2480	16.2	18.8	404
50	COLSA United States	MACH5 - Apple XServe, 2.0 GHz, Myrinet Self-made	3072	16.2	24.6
51	University of Tokyo Japan	SR11000-J2 Hitachi	128	15.8	18.8
52	University of Southern California United States	HPC - Pentium4 Xeon, EM64T, Opteron, Opteron dual core, Cluster, Myrinet Oracle	5400	15.8	20.5
53	Korea Meteorological Administration Korea, South	Cray X1E (4GB) Cray Inc.	1020	15.7	18.4
54	Stanford University/Biomedical Computational Facility United States	Bio-X2 - PowerEdge 1950, 2.33 GHz, Infiniband Dell	2208	15.6	20.6
55	NOAA R&D/ National Centers for Environmental Prediction United States	eServer pSeries p5 575 1.9 GHz IBM	2368	15.5	18.0	386
56	NOAA R&D/ National Centers for Environmental Prediction United States	eServer pSeries p5 575 1.9 GHz IBM	2368	15.5	18.0	386
57	US Army Research Laboratory (ARL) United States	Humvee - Evolocity II (LS Supersystem) Linux Networx	3368	15.2	19.7
58	DOE/SC/Oak Ridge National Laboratory United States	Cray X1E (2GB) Cray Inc.	1014	15.0	18.3
59	Japan Marine Science and Technology Japan	Altix 4700 1.6 GHz SGI	2560	14.6	16.4
60	Swiss Scientific Computing Center (CSCS) Switzerland	Cray XT3, 2.6 GHz dual Core Cray Inc.	3328	14.2	17.3
61	CeSViMa - BSC Spain	BladeCenter JS20 Cluster, PPC 970, 2.2 GHz, Myrinet IBM	2408	14.0	21.2
62	Los Alamos National Laboratory United States	ASCI Q - AlphaServer SC45, 1.25 GHz Hewlett-Packard	8192	13.9	20.5
63	UCSD/San Diego Supercomputer Center United States	Intimidata - eServer Blue Gene Solution IBM	6144	13.8	17.2	67
64	Cray Inc. United States	Cray XT4, 2.8 GHz Cray Inc.	2832	13.1	15.9
65	HPCx United Kingdom	eServer pSeries p5 575 1.5 GHz IBM	2560	12.9	15.4
66	University of Kentucky United States	BladeCenter HS21 Cluster, Xeon dual core 3.0 GHz, Infiniband IBM	1360	12.8	16.3	129
67	CINECA Italy	BCX - eServer 326 Cluster, Opteron Dual Core 2.6 GHz, Infiniband IBM	5120	12.6	26.6
68	Naval Oceanographic Office - NAVO DSRC United States	eServer pSeries p5 575 1.9 GHz IBM	1920	12.5	14.6	313
69	Brigham Young University United States	Marylou4 - PowerEdge 1955, 2.66 GHz, GigEthernet Dell	2520	12.5	26.8
70	Geoscience (E) United States	BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet IBM	5000	12.3	22.0	307
71	Virginia Tech United States	System X - 1100 Dual 2.3 GHz Apple XServe/Mellanox Infiniband 4X/Cisco GigE Self-made	2200	12.2	20.2
72	IT Service Provider (B) United States	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband Hewlett-Packard	1568	12.2	18.8
73	Technische Universitaet Dresden Germany	Altix 4700 1.6 GHz SGI	2048	11.9	13.1
74	Scientific Supercomputing Center Karlsruhe Germany	Cluster Platform 4000 DL145 Opteron Dual Core 2.6 GHz Infiniband Hewlett-Packard	3000	11.9	15.6
75	Air Force Research Laboratory - ARFL DSRC United States	SGI Altix 3700 Bx2, 1.6 GHz, NUMALink SGI	2048	11.8	13.1
76	Japan Atomic Energy Research Institute Japan	SGI Altix 3700 Bx2, 1.6 GHz, NUMALink SGI	2048	11.8	13.1
77	SARA (Stichting Academisch Rekencentrum) Netherlands	Huygens - eServer pSeries 575, p5+ 1.9 GHz, Infiniband IBM	1920	11.5	14.6	313
78	NCAR (National Center for Atmospheric Research) United States	blueice - eServer pSeries p5 575 1.9 GHz IBM	1696	11.1	12.9	276
79	Technische Universitaet Dresden Germany	Deimos - Opteron dual core 2.6 GHz, Infiniband Linux Networx	2576	10.9	13.4
80	Semiconductor Company (O) United Kingdom	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband Hewlett-Packard	1392	10.9	16.7
81	Intel United States	Endeavor - Intel Cluster, Xeon 3.0 GHz dual core, Infiniband Intel	1140	10.8	13.7
82	US Army Research Laboratory (ARL) United States	John Von Neumann - LNX Cluster, Xeon 3.6 GHz, Myrinet Linux Networx	2048	10.7	14.7
83	Energy Company (G) Malaysia	HP DL140, Xeon 53xx 2.33GHz, GigEthernet Hewlett-Packard	2048	10.5	19.1
84	Energy Company (G) Malaysia	HP DL140, Xeon 53xx 2.33GHz, GigEthernet Hewlett-Packard	2048	10.5	19.1
85	Logistic Services (D) Germany	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet Hewlett-Packard	1336	10.4	16.0
86	Center for Computational Sciences, University of Tsukuba Japan	PACS-CS - PACS-CS, low voltage Xeon 2.8 GHz, 3D Hyper-Crossbar Hitachi/Fujitsu	2560	10.3	14.3	545
87	China Meteorological Administration China	eServer pSeries 655 (1.7 GHz Power4+) IBM	3200	10.3	21.8
88	Naval Oceanographic Office - NAVO DSRC United States	eServer pSeries 655 (1.7 GHz Power4+) IBM	2944	10.3	20.0
89	NNSA/Sandia National Laboratories United States	Razor - PowerEdge 1950, 3 GHz, Voltaire Infiniband Dell	1120	10.3	13.4
90	NCSA United States	Tungsten - PowerEdge 1750, P4 Xeon 3.06 GHz, Myrinet Dell	2500	9.8	15.3
91	BMW Sauber F1 Switzerland	Albert - Dalco Cluster, Intel Xeon 3.0 Ghz, Quadrics DALCO AG Switzerland	1024	9.6	12.3
92	Harvard University United States	eServer Blue Gene Solution IBM	4096	9.4	11.5	44
93	High Energy Accelerator Research Organization /KEK Japan	KEK/BG UME - eServer Blue Gene Solution IBM	4096	9.4	11.5	44
94	IBM - Almaden Research Center United States	eServer Blue Gene Solution IBM	4096	9.4	11.5	44
95	IBM Research Switzerland	eServer Blue Gene Solution IBM	4096	9.4	11.5	44
96	IBM Thomas J. Watson Research Center United States	eServer Blue Gene Solution IBM/ LLNL	4096	9.4	11.5	44
97	Renaissance Computing Institute (RENCI) United States	Ocracoke - eServer Blue Gene Solution IBM	4096	9.4	11.5	44
98	Science and Technology Facilities Council - Daresbury Laboratory United Kingdom	eServer Blue Gene Solution IBM	4096	9.4	11.5	44
99	University of Canterbury New Zealand	Blue Fern - eServer Blue Gene Solution IBM	4096	9.4	11.5	44
100	DOE/SC/Pacific Northwest National Laboratory United States	spray cooled xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet IBM	1536	9.3	14.5	84